STR-W6753R Equivalent & Substitute Parts

Part Overview

The STR-W6753R is an offline switch IC manufactured by Sanken Electric USA Inc., designed for power management applications in converter offline topology. This component is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system support and new design implementations. The part is packaged in TO220F-6 configuration with unlimited moisture sensitivity rating (MSL 1).

Substiute Parts

STR-W6753R

Sanken Electric USA Inc.In Stock: 1196STR-W6753R Datasheet

Current PartRFQ

TOP254YN

Power IntegrationsIn Stock: 4304TOP254YN Datasheet

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Key Parameters

Substitute Part Grouping Explanation

The TOP254YN from Power Integrations serves as a functional equivalent for the STR-W6753R based on the following substitution criteria:

Primary Substitution Parameters:

• Both components function as offline switch ICs for power management applications
• Both are classified within the Power Management (PMIC) category
• Both support converter offline topology operation
• Both feature through-hole mounting configurations suitable for similar circuit board layouts
• Both maintain MSL 1 rating, indicating identical moisture sensitivity handling requirements

Topology Alignment: The TOP254YN operates in flyback topology with offline converter functionality, providing equivalent switching capability for offline power supply designs. The specified switching frequencies (66kHz, 132kHz) and power rating (62W) establish operational parameters suitable for applications previously served by the STR-W6753R.

Parameter Comparison

Engineering Selection Recommendations

The TOP254YN is suitable as a substitute for the STR-W6753R based on the following factors:

Product Status Consideration: The STR-W6753R is classified as obsolete, while the TOP254YN maintains active product status with current manufacturing availability. This status difference ensures long-term supply chain viability for the substitute component.

Compliance & Certification: The TOP254YN carries RoHS Compliance and REACH Unaffected certifications, meeting modern regulatory requirements for electronic components. These certifications support deployment in applications subject to environmental and hazardous substance restrictions.

Functional Equivalence: Both components operate as offline switch ICs within the Power Management category, with through-hole mounting configurations and identical MSL ratings. The TOP254YN's active status and documented electrical specifications provide engineering confidence for direct substitution in offline converter applications.

Frequently Asked Questions (FAQ)

Q: What makes the TOP254YN functionally equivalent to the STR-W6753R?

A: Both components are offline switch ICs designed for power management applications. They share identical MSL ratings, through-hole mounting configurations, and operate within converter offline topologies. The TOP254YN's active product status and documented specifications make it suitable for applications previously served by the obsolete STR-W6753R.

Q: Are there package compatibility considerations between STR-W6753R and TOP254YN?

A: The STR-W6753R uses TO220F-6 packaging while the TOP254YN uses TO-220-7C packaging. Both are through-hole mounted configurations. Pin count and lead configuration differences require circuit board layout verification before implementation.

Q: Does the TOP254YN meet current regulatory requirements?

A: Yes. The TOP254YN is RoHS Compliant and REACH Unaffected, meeting current environmental and hazardous substance regulations applicable to electronic components.

Q: Why is finding a substitute for the STR-W6753R necessary?

A: The STR-W6753R is classified as obsolete, meaning manufacturing has been discontinued. The TOP254YN provides an active, currently manufactured alternative with equivalent offline switch functionality for power management applications.

Q: What is the moisture sensitivity difference between these components?

A: Both components carry MSL 1 rating, indicating unlimited moisture sensitivity. No difference exists in moisture handling requirements between the two parts.